class_docstr: Input tag object associated with a dataset.
code: def from_proto(cls, proto):
      return cls(proto.key, proto.value)
  
file_path: mlflow/mlflow/entities/input_tag.py
imports: from mlflow.entities._mlflow_object import _MLflowObject
  from mlflow.protos.service_pb2 import InputTag
  from mlflow.utils.annotations import experimental
label_desc: Use image node_id 6 for calling the InputTag obj's underlying member method code with example usage: obj.from_proto(cls, proto) and returns: cls